* {
    margin: 0;
    padding: 0;
}
.w {
    width: 1200px;
    margin: auto;
}
body {
    background-color: #f1f5f7;
    height: 3000px;
}
li {
    list-style: none;
}

a {
    text-decoration: none;
}
.header {
    height: 42px;
    background-color: #f1f5f7;
    margin: 30px auto;
}
.logo {
    float: left;
    width: 198px;
    height: 42px;
}
.nav {
    float: left;
    margin-left: 60px;
}
.nav li {
    float: left;
    margin: 0 15px;
}

.nav ul li a {
    display: block;
    height: 42px;
    padding: 0 10px;
    line-height: 42px;
    font-size: 18px;
    color: #050505;
}

.nav ul li a:hover {
    border-bottom: 2px solid #00a4ff;
    color: #00a4ff;
}
.search {
    float: left;
    width: 412px;
    height: 42px;
    background-color: skyblue;
    margin-left: 70px;
}

.search input {
    float: left;
    width: 345px;
    height: 40px;
    border: 1px solid #00a4ff;
    border-right: 0;
    font-size: 16px;
    color: #c6c7c7;
    padding-left: 15px;
    outline: none;
}
/* .search input:active {
    
    float: left;
    width: 345px;
    height: 40px;
    border: 1px solid #0044aa;
    border-right: 0;
    font-size: 16px;
    color: #c6c7c7;
    padding-left: 15px;
} */


.search button {
    float: left;
    width: 50px;
    height: 42px;
    background-color: #00a4ff;
    border: 0;
    background-image: url(images/fa-search.png);
    
}
.user {
    float: right;
    line-height: 42px;
    margin-right: 30px;
    font-size: 14px;
    color: #666;
}
.user img {
    vertical-align: middle;
}

.banner {
    height: 421px;
    background-color: #1c036c;
}
.banner .w 
{
    height: 421px;
    /* background-image: url(images/banner2.png) ; */
    
    background: url(images/banner2.png) no-repeat top center;
}

.subnav {
    float: left;
    width: 190px;
    height: 421px;
    background: rgba(0,0,0 ,0.3);
}
.subnav ul li {
    height: 46px;
    line-height: 46px;
    padding: 0 20px;
}
.subnav ul li a {
    font-size: 14px;
    color: #ffffff;
}
.subnav ul li a span{
    float: right;

}
.subnav ul li a:hover {
    font-size: 14px;
    color: #00b4ff;
    
}
.subnav ul li:hover{
    background-color: rgba(0,0,0,0.4);
}


.course {
    float: right;
    width: 230px;
    height: 300px;
    border: 1px solid red;
    background-color: #fff;
    margin-top: 50px;
}
.course h2 {
    
    height: 50px;
    color: #fff;
    font-size: 18px;
    
    background-color: #9bceea;
    line-height: 50px;
    text-align: center;
}

.bd {
    padding:0 20px;
}

.bd ul {
    margin-top: 10px ;
    
}
.course .bd ul li {
    height: 50px;
    border-bottom: 1px solid #eaeaea;
    margin: 10px 0;
    
}


.course .bd ul li h4 {
    display: inline;
    font-size: 16px;
    color: #485b69;
    font-weight: 700;
    margin-right: 1px;
}
.course .bd ul li h5 {
    display: inline;
    font-size: 14px;
    color: #485b69;
    font-weight: 700;
}
.course .bd ul li p {
    color: #ccc;
    font-size: 12px;
}
.bd .more {

    display: block;
    height: 38px;
    line-height: 38px;
    border: 1px solid #00a4ff;
    margin-top: 10px;
    text-align: center;
    color: #00a4ff;
    font-size: 16px;
    font-weight: 700;
}
.goods {
    height: 60px;
    background-color: #fff;
    line-height: 60px;
    margin-top: 10px;
    box-shadow: 0 2px 3px 3px rgba(0,0,0 ,0.3);
}

.goods h3 {
    float: left;
    text-align: center;
    margin: 0 34px;
    color: #00a4ff;
}


.goods ul  {
    float: left;
}
.goods ul li {
    display: inline;
    padding: 0 34px;
    border-left:1px solid #bfbfbf ;
    
}
.goods ul li a {
    color: #050505;
    font-size: 16px;
}

.goods ul li a:hover {
    color: #00a4ff;
}
.mod {
    float: right;
    margin-right: 26px;
    color: #00a4ff;
}

.box {
    margin-top: 30px;

}

.box-hd {
    height: 45px;
}

.box-hd h3 {
    float: left;
    font-size: 20px;
    color: #494949;
}
.box-hd a {
    float: right;
    color: #a5a5a5;
    font-size: 12px;
    margin-right: 32px;
    margin-top: 10px;
}

.box-bd ul {
    width: 1225px;
}

.box-bd ul li {
    float: left;
    width: 228px;
    height: 270px;
    /* background-color: pink; */
    margin-bottom: 15px;
    margin-right: 15px;
    background-color: #fff;
    /* box-shadow: 0 2px 1px 1px rgba(0,0,0 ,0.3); */
    
}

.box-bd ul li img {
    width: 100%;
}


.box-bd ul li h4 {
    margin: 20px 20px 20px 25px;
    font-size: 14px;
    font-weight: 400;
    height: 45px;
    color: #050505;
}
.box-bd ul li h5 {
    margin-left: 25px;
    display: inline;
    font-size: 12px;
    color:#ff7c2d;
    font-weight: 400;
}
.box-bd ul li p {
    margin:  0 20px 0 5px;
    display: inline;
    font-size:12px;
    color: #999999;
}

.prom-hd {
    
    height: 45px;
    width: 1200px;
    margin:10px 0;
    
}
.prom-hd h3 {
    float: left;
    font-size: 20px;
    color: #494949;
    line-height: 45px;
}
.prom-hd ul {
    margin-left:410px;
}
.prom-hd ul li {
    float: left;
    margin: 0 10px;
}
.prom-hd ul li a {
    font-size: 16px;
    line-height: 45px;
    padding: 0 10px;
    border-bottom: 2px solid transparent;
    color: #868686;
    
}
.prom-hd ul li a:hover {
    font-size: 16px;
    color: #00a4ff;
    border-bottom: 2px solid #00a4ff;
    
}
.prom-hd a {
    float: right;
    line-height: 45px;
    color: #a5a5a5;
    font-size: 12px;
    margin-right: 32px;
}
.prom-bd {
    float: left;
    margin-top: 10px;
}
.prom-bd .l {
    float: left;
    height: 393px;
    width: 228px;
    background-color: #00a4ff;
}
.prom-bd .l img {
    width: 100%;
}
.prom-bd .r {   
    float: right;
    height: 393px;
    width: 972px;
    /* background-color: #1c036c; */
}

.prom-bd .r .py {
    margin-left: 15px;
    margin-bottom: 15px;
    width: 957px;
    height: 100px;
}

.prom-bd .r .py img {
    width: 100%;
}

.prom-bd .r ul li {
    display: inline;
    float: left;
    width: 228px;
    height: 270px;
    margin-left: 15px;
    background-color: #fff;
}

.prom-bd .r ul li img {
    width: 100%;
}

.prom-bd .r ul li h4 {
    font-size: 14px;
    font-weight: 400;
    height: 45px;
    color: #050505;
    margin: 20px 20px 20px 25px;
}
.prom-bd .r ul li h5 {
    display: inline;
    font-size: 12px;
    font-weight: 400;
    color: #ff7c2d;
    margin-left: 25px;
}
.prom-bd .r ul li p {
    display: inline;
    font-size: 12px;
    color: #999999;
    margin:  0 20px 0 5px;
}
/* 清除浮动，不影响下面footer */
.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}
 
.clearfix:after {
    clear: both;
}
 
.clearfix {
    *zoom: 1;
}

.web-hd {
    
    height: 45px;
    
    margin: 10px 0;
}

.web-hd h4 {
    float: left;
    line-height: 45px;
    color: #494949;
    font-size: 20px;
}

.web-hd ul {
    margin-left: 410px;
    
}
.web-hd ul li {
    
    float: left;
    margin: 0 10px;
}

.web-hd ul li a {
    font-size: 16px;
    line-height: 45px;
    padding: 0 10px;
    border-bottom: 2px solid transparent;
    color: #868686;
    
}
.web-hd ul li a:hover {
    font-size: 16px;
    border-bottom: 2px solid #00a4ff;
    color: #00a4ff;
    
}
.web-hd a {
    float: right;
    line-height: 45px;
    color: #a5a5a5;
    font-size: 12px;
    margin-right: 32px;
}

.web-bd {
    float: left;
    margin-top: 10px;
}

.web-bd ul li {
    float: left;
    display: inline;
    margin-right: 15px;
    width: 228px;
    height: 270px;
    background-color: #fff;
}

.web-bd ul li.list {
    margin-right: 0;
}
.web-bd ul li img {
    width: 100%;
}

.web-bd ul li a h4 {
    font-size: 14px;
    font-weight: 400;
    height: 45px;
    color: #050505;
    margin: 20px 20px 20px 25px ;
}

.web-bd ul li h5 {
    display: inline;
    font-size: 12px ;
    font-weight: 400;
    color: #ff7c2d;
    margin-left: 25px;
}
.web-bd ul li p {
    display: inline;
    font-size: 12px;
    color: #999999;
    margin: 0 20px 0 5px;
}

.footer {
    height: 415px;
    margin-top: 15px;
    background-color: #fff;
}

.footer .w {
    padding-top: 35px;
}

.copyright {
    float: left;
}

.copyright p {
    font-size: 12px ;
    color: #666;
    margin: 20px 0 15px 0;
}
.copyright .app {
    display: block;
    width: 118px;
    height: 33px;
    border: 1px solid #00a4ff;
    text-align: center;
    line-height: 33px;
    color: #00a4ff;
}
.links {
    float: right;
}

.links dl {
    float: left;
    margin-left: 100px;
}
.links dl dt {
    font-size: 16px ;
    color: #333;
}
.links dl dd a {
    color: #333;
    font-size: 12px;
}
.links dl dd a:hover {
    color: #00a4ff;
    font-size: 12px;
}